@book{39214,
	author = {Hollnagel, Erik},
	title = {Barriers and accident prevention /},
	publisher = {Ashgate Pub.,},
	year = {2004},
	address = {Aldershot Hants England  :},
	url = {http://www.loc.gov/catdir/toc/ecip0418/2004012248.html}
}